Window-cleaning support



H. FISCHER wmnow CLEANING SUPPORT Oct. 7. 1924.

Filed Aug. 21

1920 2 Sheets-Sheet 1 H. FISCHER wnwow cwmme SUPPORT Fild Aug. 21.

1920 2 Sheets-Sheet 2 Patented Oct. 7, 1924.

UNITED STATES HERMANN FISCHER,

OF NEW YORK, N. Y.

WINDO'W-OLEANING SUPPORT.

Application filed August 21 1920. Serial No. 405,076.

To all whom it may concern.

Be it known that I, HERMANN FIscHER, a citizen of Germany, residing atNew York, in the county of New York and State of New York, have invented certain new and useful Improvements in VVindow-Cleaning Supports, of which the following is a specification.

The present invention relates to devices for protecting Window cleaners against fall ing off the window sill while performing their work and has for its object to provide a construction which can be easily and read ily attached to and removed from the window from the inside of a room.

Another object is to so construct the device that the same can be applied to various sizes of windows.

And still another object is to so construct the'device that it may be folded together so as to form a flat piece and as such conveniently stored away.

With these and other objects in view, my invention consists in the novel construction, combination and arrangement of parts as will be hereinafter fully described and defined in the appended claims.

According to my invention, the device consists of a guard or fence which is longitudinally adjustable to fit different sizes of windows and which is provided with adjustableand foldable arms adapted to removably engage and to be locked in sockets fixed to the window frame so as tobe easily accessible from the inside of the room. The frame is also provided with foldable base members adapted to form with the lower parts .of the frame angular supports which will effectively engage the outer sill of the window and prevent the fence from slipping downwardly.

In the accompanying drawing, in whichsimilar reference characters denote corresponding parts, Fig. 1 is a front elevation of my device partly in section; Fig. 2 is an end elevation thereof; Fig. 3 is a section on line 33 of Fig. 1; Fig. 41- is a side elevation thereof and Fig. 5 is an enlarged section on line 5-5 of Fig. 1.

In the drawing 10 denotes the fence or guard which is composed of two end bars 10, 10' and parallel cross members 11 conneoting said end bars together. Each cross member is composed of two superposed bars 11, 11 substantially of square cross section, borne upon one another and connected together by staple shaped members 12. There are two such members 12 for each pair of bars 11', 11 which at 12 are riveted or otherwise fixed to one of the bars and are looped around the other bar. These members 12 slidably or telescopically connect the two bars 11,-11 permitting an adjustment of the fence or guard in longitudinal direction. A stop pin 13 is provided on one of the pair of bars which in co-oporation with one it the extent of longitudinal adjustment of the frame and prevent the bars from be coming detached. The bars 11, 11 may be fixed to the end bars 10, 10 in any suitable manner as by rivets 14 or the like.

Pivotally secured to the outer face of each end bar 10 as at 16 is an arm 15, the free end of which is adapted to be removably fixed to the window frame. To this end I provide a pair of sockets 17 adapted to be fixed to the window frame, preferably at a place where it is readily accessible from the inside of the room. Each socket is in form of a flanged cup 17 formed with screw holes 17 for its attachment to the window frame. The free end of each arm is provided with a lateral pin 18 adapted to engage and rotatively bear in the respective socket. The ends of the pins 18 are formed with barbs 18 while the months 17 of the sockets are-correspondingly shaped so that the barbed ends 17' will freely pass into the sockets and when turned around become locked therein thereby securing the arms to the window frame.

ach arm 15 is composed of two sections 15', 15 which is fulcrumed at 16 to the of the respective end bar 10', section 15 is the one which carries the looking pin 18. The intermediate parts of the two sections 15, 15 are adapted to slidably bear upon one another and are connected by collars 20 in a similar manner to the sections 11, 11 The two sections 15, 15 are thus adjustable longitudinally and the ad justment may be controlled by means of a spring locking member 19 carried by one of the sections and c0-operating with a series of notches or holes 15 provided in the adjoining section.

According to the present example the locking member comprises a shell 19' fixed in the section 15 and bearing a plunger 19 actuated by a spiral spring 19 and formed outer face of the members 12 will lim-- of which one arm 15. is the one' while the other at one end with a head piece 19 The opposite end 19 is adapted to normally engage any one of the notches 15 of the adjoining section 15.

Fulcrumed to the lower part of each end bar 10 at an elevation from the extreme lower end thereof is a member 22 which in unfolded position is adapted to form with the lower part of the respective end bar 10 an angular support capable of engaging the sill so as to prevent the slipping of the fence in downward direction. Each member 22 is also connected to the respective end bar by a link 23 fulcrumed at 23 to the member 22 and formed at its opposite end with a longitudinal slot 23 Projecting from each. end bar 10 is a headed pin 2a which slidably engages the respective slot 23 so that the member 22 is permitted to turn around its fulcrum 21 from a position where it is in alignment with the end bar 10 to the angular position shown in Fig. i and in this latter position will be held by the pin 24; abutting against the lower end of the slot 23 A stop 25 on the link 23 may be provided which in co-operation with the head of the pivot or fulcrum, 21 will keep the member 22 when folded from swinging in the opposite direction.

Auxiliary stops 26 may be provided which in co-operation with the lower edges of the unfolded arms 15 will prevent the fence from tilting in case of some damage to the main stop or support 22.

In Fig. l a window is indicated in dotted lines, F denoting the window frame, S the outer window sill and M the masonry or outer wall below the window sill. The socketsl? are fixed to the window frame near the inside of the room, so that they may be easily accessible. To apply the device, the same is placed in its contracted or folded position parallel to the window with the barbs 18 opposite the openings 17 of the sockets. Then after inserting one pin 18 into its respective socket, the fence is extended longitudinally until the other pin enters the corresponding socket. Now the fence'is swung outwardly, thereby unfolding the arms 15. In position of use the fence extends in a somewhat oblique position to the vertical plane.

If the depth of the window requires it, the arms may be extended longitudinally by the adjustment of the locking member 19.

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Thereupon the members 22 are unfolded or brought into the angular position shown in Fig. 4 so as to rest on the outer sill of the window while the extreme lower edge 10 of the end bar 10 will bear against the masonry or wall M below the window sill.

The main advantage offered by my in vention is that the device can be easily and quickly applied to and removed from the window from the inside of a room and that it is capable of adjustment both in width and depth to suit various sizes of windows.

Another advantage is that the whole structure can be folded up into a flat piece which permits it to be conveniently stored away.

The construction may be modified in Various ways without deviating from the spirit of my invention and for this reason, I do not wish to restrict myself to the details described and shown.

What I claim and ters Patent is:

1. A window cleaning support, comprising a frame composed of two end bars and longitudinally extendible cross bars uniting said end bars, lateral longitudinally extendible arms fulcrumed to said end bars to swing vertically, a vertically foldable member fulcrumed to each end bar at apoint above the lower end. thereof and linked to said end bar, said foldable member being adapted in unfolded position to rest on the sill of the window, and means on the free ends of said arms for the removable attachment of said frame to the inside of the window frame, said arms and members being capable of'being folded to lie in the. same plane with said end bars and form there with a substantially flat body.

2. A. window cleaning support, comprising a frame composed of two end bars, lon gitudinally extendible cross bars uniting said end bars and lateral longitudinally extendible arms fulcrumed to said end bars and means on the free ends of said armsfor the removable attachment of said frame to the window frame, said arms being capable of being folded to lie in the plane with the said end and cross bars.

In testimony whereof I afiix my signature in presence of two witnesses.

HERMANN FISCHER.

Witnesses 1 MAX D. ORDMANN, JOSEPH T. MoMAHoN.

desire to secure by Let- 

